Freytag, Heinrich <br/><br/>
The contaflex way :   the contaflex photographer's companion /  
H einrich Freytag. 
 - 2d ed. 
 - London :   Focal  Press,   1957. 
 - 312 p. :    ill. ;    22 cm. 
<br/><br/>  English ed. translated and adopted by Hans Wolff. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contaflex camera.--Handbooks, manuals, etc.------<br/>Photography --Handbooks, manuals, etc.------
<br/><br/><label>Dewey Class. No.: </label>771.31